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Cheap flights from Billings (BIL) to Seattle (BFI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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Cheap flights from Billings to Seattle in July , August 2026

25 Jul - 28 Aug $ 1,001.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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26 Jul - 28 Aug $ 1,111.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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25 Jul - 14 Aug $ 1,145.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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Last minute flights from Billings to Seattle

25 Jul - 01 Aug $ 1,415.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
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27 Jul - 01 Aug $ 1,459.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
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26 Jul - 01 Aug $ 1,525.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
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One-way flights to Seattle from Billings

3:40 PM - 6:45 PM
Air Excursions
2 Stops
52h 55m
BIL - BFI
$ 646
Kiwi
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3:40 PM - 6:45 AM
Air Excursions
2 Stops
40h 55m
BIL - BFI
$ 680
Kiwi
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9:59 AM - 6:45 PM
Air Excursions
3 Stops
34h 36m
BIL - BFI
$ 724
Kiwi
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.